Electrical engineering
Cable Tray Fill Calculator in Excel: Fill Ratio and Tray Width
An Excel sheet that adds up the cable areas in a tray, calculates the fill ratio, compares it…
Electrical engineering
Loads, cables, power factor, short circuit, lighting.
Electrical engineering
Indoor Lighting Calculator in Excel (Lumen Method): Fittings per Room
An Excel sheet that uses the lumen method to calculate the luminaires needed per room, the achieved lux…
Electrical engineering
Transformer Short-Circuit Current & Breaker Rating Calculator in Excel
An Excel sheet that calculates full-load and short-circuit current at the transformer secondary, with or without the network…
Electrical engineering
Three-Phase Load Balancing Sheet in Excel with Imbalance Percentage
An Excel sheet to spread panel loads across L1, L2 and L3. It calculates load and current per…
Electrical engineering
Power Factor Correction Calculator in Excel: Capacitor Bank Sizing (kVAR)
An Excel sheet that calculates the capacitor bank needed to improve the power factor, suggests the nearest standard…
Electrical engineering
Cable Voltage Drop Calculator in Excel for Multiple Circuits
An Excel sheet that checks voltage drop in several circuits at once from current, length and mV/A/m, compared…
Electrical engineering
Electrical Load Calculator in Excel: Current and Transformer Size
A ready Excel sheet to calculate electrical loads with demand factor and power factor, returning current, kVA and…